Sisäilmaexpertti Oy is a limited company based in Vantaa, registered in 2023. Its taxable income in 2024 was 208 € and its income taxes 42 €. Public buyers bought 7 800 € from it in 2024–2025; the largest buyer is Sosiaali- Ja Terveystoimiala, Helsinki (Helsinki).
Taxes
Measured by taxable income, Sisäilmaexpertti Oy is in the lower half of the industry class plumbing, heat and air-conditioning installation (1804 companies with taxable income; median 25 t€).
Taxable income is the profit as calculated for taxation, not revenue. Public data from the Finnish Tax Administration; figures for 2025 are published in November 2026. Revenue, financial ratios and employee numbers are shown once the company has filed its financial statements digitally.
Sales to public buyers
Largest buyers
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